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Viengthong, Laos

Full City Profile

4,308 ft Elevation 1,313 meters
69°F Avg Temperature 20°C
Viengthong enjoys a temperate climate with an average annual temperature of 69°F (21°C). Winters average 50°F in January while summers reach 75°F in July. The area gets 317 sunny days per year. Annual precipitation totals 55.5 inches. The area receives 0.0 inches of snow annually.

Temperature

50°F Jan (10°C) 75°F Jul (24°C)
Annual Average68.5°F
27% above US avg
January Average50°F (10°C)
July Average75°F (24°C)
Sunny Days317 days/yr

Geography

Elevation4,308 ft (1,313 m)
Area1,611.9 sq mi (4,174.7 km²)
Population Density0/sq mi
Coordinates20.3279°N, 103.4086°W
TimezoneAsia/Vientiane

Precipitation & Snow

Annual Rainfall 55.5"
46% above US avg
Snowfall 0.0"
Wettest Month (Jul) 13.50"
Driest Month (Jan) 0.30"

Air Quality

Earthquake History

16 earthquakes (M2.5+) within 150 km since 1990. Strongest: M4.9. Most recent: M4.4 on Mar 14, 2022.

Feb 19, 2001 31 km W of Dien Bien Phu, Vietnam M4.9 139 km
Jul 27, 2020 ~120km W of Hanoi, Vietnam M4.9 140 km
Sep 28, 1996 61 km W of Muang Phônsavan, Laos M4.8 121 km
Apr 3, 2003 83 km S of Dien Bien Phu, Vietnam M4.7 43 km
Jul 19, 2014 19 km NNE of S?n La, Vietnam M4.6 142 km
Mar 4, 2001 10 km WSW of Dien Bien Phu, Vietnam M4.5 126 km
May 2, 2007 73 km S of Dien Bien Phu, Vietnam M4.5 53 km
May 26, 2015 73 km ESE of Muang Phônsavan, Laos M4.5 135 km
Oct 6, 1991 33 km E of S?n La, Vietnam M4.5 145 km
Jun 21, 1995 83 km W of Xam Nua, Laos M4.4 17 km
Mar 14, 2022 76 km SSE of Dien Bien Phu, Vietnam M4.4 49 km
Jan 7, 2018 36 km E of Dien Bien Phu, Vietnam M4.3 117 km
Jan 8, 2018 36 km E of Dien Bien Phu, Vietnam M4.3 116 km
Jun 21, 1995 72 km N of Muang Phônsavan, Laos M4.2 30 km
May 7, 2011 46 km SSW of S?n La, Vietnam M4.1 77 km
Feb 19, 2001 17 km SW of Dien Bien Phu, Vietnam M4.0 120 km
Source: USGS (M2.5+, 1990–2025)

Hurricane History

7 hurricanes (Cat 1+) within 500 km since 1980. Strongest: Category 1.

Year Name Category Closest
2024 Yagi Category 1 250 km
2016 Mirinae Category 1 292 km
1997 Zita Category 1 296 km
1996 Frankie Category 1 260 km
1996 Niki Category 1 232 km
1995 Lois Category 1 252 km
1982 Nancy Category 1 273 km
Source: NOAA IBTrACS (Cat 1+, 1980–2026)

Monthly Weather

Month Avg Temperature Precipitation Summary
January 50°F (10°C) 0.3 in Coldest, Driest
February 61°F (16°C) 1.3 in
March 67°F (19°C) 1.4 in
April 72°F (22°C) 4.2 in
May 74°F (23°C) 7.5 in
June 75°F (24°C) 8.7 in Warmest
July 75°F (24°C) 13.5 in Wettest
August 75°F (24°C) 13.2 in
September 73°F (23°C) 7.0 in
October 70°F (21°C) 2.7 in
November 64°F (18°C) 0.8 in
December 59°F (15°C) 0.4 in

Viengthong has a seasonal temperature swing of 26°F / from 50°F in January to 75°F in June. Total annual precipitation is 61.0 inches, with July being the wettest month (13.5") and January the driest (0.3").

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